A quick massing test or a parking bay layout usually just needs a clean, square-cornered box.
Click the Rectangle tool in the drawing toolbar, or press
R, to draw a 4-sided shape with 90 degree angles and no usage applied.Click to place the first corner.
Click again to set the width, or type a number instead of clicking to set an exact edge length. Hold
Shiftto snap this edge to the grid.Pull and click a third time to set the length and finish, or type a number to set it exactly.
Double-clicking while drawing a rectangle cancels the draw and selects whatever geometry is underneath, instead of finishing the shape.

